Sum of sub answer - Revision history

Administrator at 09:26, 10 October 2018

2018-10-10T09:26:56Z

← Older revision		Revision as of 09:26, 10 October 2018
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	This solution will help your answer will total 100%.		This solution will help your answer will total 100%.

	First create a textgrid question, then add the below script to Javascript tab<br/>		First create a textgrid question, then add the below script to Javascript tab<br />
	[[File:2018-06-05 15-~~33-27~~.png\|774x774px]]		[[File:2018-10-10 16-15-53.png\|774x774px]]

	<source lang="javascript">		<source lang="javascript">
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	</source>		</source>

	[[File:2018-06-~~05 15~~-03-25.png\|~~774x774px~~]]		[[File:2018-10-10 16-17-08.png\|719x719px]]

	[[Category:Questionnaire]]		[[Category:Questionnaire]]

2018-10-10T09:24:24Z

← Older revision		Revision as of 09:24, 10 October 2018
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	~~xxxx~~		This solution will help your answer will total 100%.

			First create a textgrid question, then add the below script to Javascript tab<br/>
			[[File:2018-06-05 15-33-27.png\|774x774px]]

			<source lang="javascript">
			//
			// Private helper functions
			//
			function sumUp(question) {
			// Sum up all except the last sub question, which is used for the s
			var sum = 0;
			question.subQuestions.slice(0, question.subQuestions.length - 1).each(function(sq) {
			sum += parseInt(sq.attr('answer')) \|\| 0;
			});
			return sum;
			}

			//
			// Add an extra row to contain the sum
			//
			Question.bind('afterShowQuestion', function(ev, question, jqe) {
			var sum = sumUp(question);
			var sumElt = jqe.find('tr:last input').prop('disabled', true).val(sum);
			});

			//
			// Listen for changes to the answer and update the sum
			//
			Question.bind('answerChanged', function(ev, question, subQuestion) {
			// Ignore answer changes for the last sub question
			if (subQuestion.gridNumber == question.subQuestions.length - 1) {
			return;
			}
			question.subQuestions[question.subQuestions.length - 1].attr('answer', sumUp(question));
			});

			//
			// Validate that the sum is exactly 100
			//
			Question.bind('afterValidateQuestion', function(ev, question, state) {
			var sum = sumUp(question);
			if (sum != 100) {
			state.valid = false;
			question.attr('errorMessage', 'Du bedes angive dine svar fra 0-100%, så dit svar tilsammen giver 100%');
			}
			});
			</source>

			[[File:2018-06-05 15-03-25.png\|774x774px]]

			[[Category:Questionnaire]]

2018-10-10T09:24:01Z

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